1834 - Thomas Davenport of Vermont developed the first real electric motor ('real' meaning powerful enough to do a task) although Joseph Henry and Michael Faraday created early motion devices using electromagnetic fields.
Below is a more detailed usage of operating systems according to age group: 18 to 34 years old. Of all the smartphone users, 50% use Android as operating system, 43% use iPhone, 39% use Microsoft and 38% use RIM. Apparently, more users prefer Android.
Definition[edit] An operating system is a computer program that manages the hard and software resources of a computer. It provides the interface between application programs and the system hardware. In general, an OS for embedded control systems has the following responsibilities: Task management and scheduling, interrupt servicing, inter process communication and memory management.